package cn.lili.common.utils;

import cn.hutool.json.JSONObject;

import javax.servlet.http.HttpServletRequest;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.UnknownHostException;
import java.util.List;
import java.util.Map;

public class IpTools {

	public static String getIpInfo(String ip){
		String host = "https://ips.market.alicloudapi.com";  // 【1】请求地址 支持http 和 https 及 WEBSOCKET
		String path = "/iplocaltion";   // 【2】后缀
		String appcode = "128a882faea24ae8b0fa6309ce575091"; // 【3】开通服务后 买家中心-查看AppCode
//		String ip = "47.243.188.255";  //  【4】请求参数，详见文档描述
		String urlSend = host + path + "?ip=" + ip;   // 【5】拼接请求链接
		try {
			URL url = new URL(urlSend);
			HttpURLConnection httpURLCon = (HttpURLConnection) url.openConnection();
			httpURLCon.setRequestProperty("Authorization", "APPCODE " + appcode);// 格式Authorization:APPCODE (中间是英文空格)
			int httpCode = httpURLCon.getResponseCode();
			if (httpCode == 200) {
				String json = read(httpURLCon.getInputStream());
				System.out.println("正常请求计费(其他均不计费)");
				System.out.println("获取返回的json:");
				System.out.print(json);
				return json;
			} else {
				Map<String, List<String>> map = httpURLCon.getHeaderFields();
				String error = map.get("X-Ca-Error-Message").get(0);
				if (httpCode == 400 && error.equals("Invalid AppCode `not exists`")) {
					System.out.println("AppCode错误 ");
				} else if (httpCode == 400 && error.equals("Invalid Url")) {
					System.out.println("请求的 Method、Path 或者环境错误");
				} else if (httpCode == 400 && error.equals("Invalid Param Location")) {
					System.out.println("参数错误");
				} else if (httpCode == 403 && error.equals("Unauthorized")) {
					System.out.println("服务未被授权（或URL和Path不正确）");
				} else if (httpCode == 403 && error.equals("Quota Exhausted")) {
					System.out.println("套餐包次数用完 ");
				} else if (httpCode == 403 && error.equals("Api Market Subscription quota exhausted")) {
					System.out.println("套餐包次数用完，请续购套餐");
				} else {
					System.out.println("参数名错误 或 其他错误");
					System.out.println(error);
				}
			}

		} catch (MalformedURLException e) {
			System.out.println("URL格式错误");
		} catch (UnknownHostException e) {
			System.out.println("URL地址错误");
		} catch (Exception e) {
			// 打开注释查看详细报错异常信息
			// e.printStackTrace();
		}
		return null;
	}

	public static String getIpFromRequest(HttpServletRequest request){
		String ip = request.getHeader("cip");
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("Proxy-Client-IP"); }
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("WL-Proxy-Client-IP"); }
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("HTTP_CLIENT_IP"); }
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("HTTP_X_FORWARDED_FOR"); }
		if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getRemoteAddr(); }
		return ip;
	}

	public static String getNetworkFromRequest(HttpServletRequest request){
		String network = request.getHeader("network");
		return network;
	}

	public static String getMobileSystemFromRequest(HttpServletRequest request){
		String mobileSystem = request.getHeader("mobileSystem");
		return mobileSystem;
	}

    public static void main(String[] args) {
        String ip = "47.243.188.255";  //  【4】请求参数，详见文档描述
       getIpInfo(ip);

    }

    /*
     * 读取返回结果
     */
    private static String read(InputStream is) throws IOException {
        StringBuffer sb = new StringBuffer();
        BufferedReader br = new BufferedReader(new InputStreamReader(is));
        String line = null;
        while ((line = br.readLine()) != null) {
            line = new String(line.getBytes(), "utf-8");
            sb.append(line);
        }
        br.close();
        return sb.toString();
    }
}